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-rw-r--r--src/video_core/engines/maxwell_3d.cpp57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index 49a138c1d..3a4e88e4e 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -13,6 +13,7 @@ constexpr u32 MacroRegistersStart = 0xE00;
const std::unordered_map<u32, Maxwell3D::MethodInfo> Maxwell3D::method_handlers = {
{0xE24, {"SetShader", 5, &Maxwell3D::SetShader}},
+ {0xE2A, {"BindStorageBuffer", 1, &Maxwell3D::BindStorageBuffer}},
};
Maxwell3D::Maxwell3D(MemoryManager& memory_manager) : memory_manager(memory_manager) {}
@@ -83,6 +84,25 @@ void Maxwell3D::WriteReg(u32 method, u32 value, u32 remaining_params) {
ASSERT_MSG(regs.code_address.CodeAddress() == 0, "Unexpected CODE_ADDRESS register value.");
break;
}
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[1]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[2]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[3]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[4]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[5]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[6]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[7]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[8]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[9]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[10]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[11]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[12]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[13]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[14]):
+ case MAXWELL3D_REG_INDEX(const_buffer.cb_data[15]): {
+ ProcessCBData(value);
+ break;
+ }
case MAXWELL3D_REG_INDEX(cb_bind[0].raw_config): {
ProcessCBBind(Regs::ShaderStage::Vertex);
break;
@@ -181,6 +201,26 @@ void Maxwell3D::SetShader(const std::vector<u32>& parameters) {
ProcessCBBind(shader_stage);
}
+void Maxwell3D::BindStorageBuffer(const std::vector<u32>& parameters) {
+ /**
+ * Parameters description:
+ * [0] = Buffer offset >> 2
+ */
+
+ u32 buffer_offset = parameters[0] << 2;
+
+ // Perform the same operations as the real macro code.
+ // Note: This value is hardcoded in the macro's code.
+ static constexpr u32 DefaultCBSize = 0x5F00;
+ regs.const_buffer.cb_size = DefaultCBSize;
+
+ GPUVAddr address = regs.ssbo_info.BufferAddress();
+ regs.const_buffer.cb_address_high = address >> 32;
+ regs.const_buffer.cb_address_low = address & 0xFFFFFFFF;
+
+ regs.const_buffer.cb_pos = buffer_offset;
+}
+
void Maxwell3D::ProcessCBBind(Regs::ShaderStage stage) {
// Bind the buffer currently in CB_ADDRESS to the specified index in the desired shader stage.
auto& shader = state.shader_stages[static_cast<size_t>(stage)];
@@ -194,5 +234,22 @@ void Maxwell3D::ProcessCBBind(Regs::ShaderStage stage) {
buffer.size = regs.const_buffer.cb_size;
}
+void Maxwell3D::ProcessCBData(u32 value) {
+ // Write the input value to the current const buffer at the current position.
+ GPUVAddr buffer_address = regs.const_buffer.BufferAddress();
+ ASSERT(buffer_address != 0);
+
+ // Don't allow writing past the end of the buffer.
+ ASSERT(regs.const_buffer.cb_pos + sizeof(u32) <= regs.const_buffer.cb_size);
+
+ VAddr address =
+ memory_manager.PhysicalToVirtualAddress(buffer_address + regs.const_buffer.cb_pos);
+
+ Memory::Write32(address, value);
+
+ // Increment the current buffer position.
+ regs.const_buffer.cb_pos = regs.const_buffer.cb_pos + 4;
+}
+
} // namespace Engines
} // namespace Tegra